Properties of the Number 329

Three Hundred Twenty-Nine

Basics

Value: 328 → 329 → 330

Parity: odd

Prime: No

Previous Prime: 317

Next Prime: 331

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 47

Divisors: 1, 7, 47, 329

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001001

Octal: 511

Duodecimal: 235

Hexadecimal: 149

Square: 108241

Square Root: 18.138357147217054

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of separable partitions of n; see Comments. A325534

Number of reduced words of length n in the Weyl group E₆ on 6 generators and order 51840. A161409

Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w² + x·y = 0. A211422

Happy numbers: numbers whose trajectory under iteration of sum of squares of digits map (see A003132) includes 1. A7770

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Multiples of 7. A8589

a(n) = 6·n + 5. A16969

Szekeres's sequence: a(n)-1 in ternary = n-1 in binary; also: a(1) = 1, a(2) = 2, and thereafter a(n) is smallest number k which avoids any 3-term arithmetic progression in a(1), a(2), ..., a(n-1), k. A3278

a(n) = 7·a(n-1) - a(n-2) with a(0) = 0, a(1) = 1. A4187

a(n) = 8·n + 1. A17077